Eradicate keyIndentifier from devtools/*

third_party/WebKit/Source/devtools/front_end/elements/ElementsPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 741 matching lines @@
      * @override
      * @param {!KeyboardEvent} event
      */
     handleShortcut: function(event)
     {
         /**
          * @param {!WebInspector.ElementsTreeOutline} treeOutline
          */
         function handleUndoRedo(treeOutline)
         {
-            if (WebInspector.KeyboardShortcut.eventHasCtrlOrMeta(event) && !event.shiftKey && event.keyIdentifier === "U+005A") { // Z key
+            if (WebInspector.KeyboardShortcut.eventHasCtrlOrMeta(event) && !event.shiftKey && (event.key === "Z" || event.key === "z")) { // Z key
                 treeOutline.domModel().undo();
                 event.handled = true;
                 return;
             }
 
-            var isRedoKey = WebInspector.isMac() ? event.metaKey && event.shiftKey && event.keyIdentifier === "U+005A" : // Z key
-                                                   event.ctrlKey && event.keyIdentifier === "U+0059"; // Y key
+            var isRedoKey = WebInspector.isMac() ? event.metaKey && event.shiftKey && (event.key === "Z" || event.key === "z") : // Z key
+                                                   event.ctrlKey && (event.key === "Y" || event.key === "y"); // Y key
             if (isRedoKey) {
                 treeOutline.domModel().redo();
                 event.handled = true;
             }
         }
 
         if (WebInspector.isEditing() && event.keyCode !== WebInspector.KeyboardShortcut.Keys.F2.code)
             return;
 
         var treeOutline = null;
@@ skipping 507 matching lines @@
      */
     wasShown: function()
     {
         this._toolbarItem.setToggled(true);
         this._nodeChanged();
         WebInspector.ThrottledWidget.prototype.wasShown.call(this);
     },
 
     __proto__: WebInspector.ThrottledWidget.prototype
 }